| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 38 |
3.2%
|
| 2 | Worse | 114 |
9.5%
|
| 3 | Same | 545 |
45.4%
|
| 4 | Better | 404 |
33.7%
|
| 5 | Much better | 46 |
3.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 51 |
4.3%
|